Lenovo ThinkStation P310 Hardware Maintenance Manual page 112

12. Install the new system board into the chassis. Align the eight screw holes in the new system board with
the corresponding mounting studs on the chassis. Then, install the eight screws in the sequence as
shown to secure the new system board.
Figure 35. Installing the eight screws to secure the system board
13. Install the heat sink and fan assembly and connect its cable to the new system board. See "Replacing
the heat sink and fan assembly" on page 136.
14. Install all memory modules and PCI cards removed from the failing system board onto the new system
board. See "Installing or replacing a memory module" on page 97 and "Installing or replacing a PCI
card" on page 99.
15. Refer to your record to connect cables to the new system board. You also can refer to "Parts on the
system board" on page 34 to help you locate the connectors on the system board and connect cables.
16. To complete the installation or replacement, go to "Completing the parts replacement" on page 166.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. After you have removed the microprocessor from the failing system board, close the microprocessor
retainer. Then put the small handle to the locked position to secure the retainer in place.
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ThinkStation P310 Hardware Maintenance Manual